20185304816

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{522827}}^1$

素因数の和:522981

約数の個数: 40

約数和(自身を含む): 41491630080

約数和(自身を除く): 21306325264

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 127, 152, 254, 304, 508, 1016, 2032, 2413, 4826, 9652, 19304, 38608, 522827, 1045654, 2091308, 4182616, 8365232, 9933713, 19867426, 39734852, 66399029, 79469704, 132798058, 158939408, 265596116, 531192232, 1062384464, 1261581551, 2523163102, 5046326204, 10092652408, 20185304816]

約数ペア:

[(1, 20185304816), (2, 10092652408), (4, 5046326204), (8, 2523163102), (16, 1261581551), (19, 1062384464), (38, 531192232), (76, 265596116), (127, 158939408), (152, 132798058), (254, 79469704), (304, 66399029), (508, 39734852), (1016, 19867426), (2032, 9933713), (2413, 8365232), (4826, 4182616), (9652, 2091308), (19304, 1045654), (38608, 522827)]